adjective, fool·har·di·er, fool·har·di·est. recklessly or thoughtlessly bold; foolishly rash or venturesome.
Origin: 1175–1225; Middle English folhardy <
Old French fol hardi. See
fool1,
hardy Related forms fool·har·di·ly, adverb
fool·har·di·ness, noun
Synonyms
impetuous, headlong, heedless, incautious.